2" Single Groove A Section 4L Sheave with 3/4" (0.750") Keyed Bore - AK20-3/4 Jumper Hoses if this is being used

if this is being used with a magnetic starter on a larger compressor the amperage does not matter

• Coupler is easy to use for anyone and is built for safety and high efficiency

The bottom one

• Ergonomic Shape and Rubber Grip Enhance Comfort

5" cast iron pulley/sheave with 1-1/4" H bushing for A section belt is a high-quality 2-piece pulley that measures 5

2" Single Groove A Section 4L Sheave with 3/4" (0.750") Keyed Bore - AK20-3/4 Jumper Hoses if this is being usedCast Iron 2" Single Groove Belt A Section 4L V Style for 3 4" Keyed Shaft Masterdrive high quality cast iron single groove 2" pulley for A section 4L belts. This pulley is designed to fit a 3 4" keyed shaft and features dual set screws to ensure a completely secure fitting. Most pulleys that are similar to this only have one set screw, making them less reliable in many working conditions. This pulley is designed to be used with A Belts (also known as